Specifications

CutMaster a120
OPERATION 4T-56 Manual 0-4989
Stainless Steel
120A
Air Plasma / Air Shield
Shield Cap Maximum Life Shield Cup Tip
Starter Cartridge
Heavy Duty Starter
Cartridge
Electrode
9-8256 9-8237 9-8233
9-8213
9-8277
9-8232
Material
Thickness
Gas Pressure
(Air)
Arc Voltage
Torch
Working
Height
Travel Speed
Initial
Piercing
Height
Pierce Delay
Kerf Width
@ Rec.
Speed
(GA)
(in) inch
PSI
(torch lead
length)
Volts
(in)
(ipm) (in) (sec) (in)
1/4 0.250
80 (25')
80 (50')
140 0.13 180 0.20 0.30 0.11
3/8 0.375 140 0.13 100 0.20 0.40 0.12
1/2
0.500 142 0.15 65 0.25 0.80 0.12
5/8 0.625 152 0.15 40 0.25 1.00 0.12
3/4 0.750 150 0.15 26 Edge Start 0.13
1 1.000 155 0.15 16 Edge Start 0.13
1-1/4 1.250 165 0.15 8 Edge Start 0.13
Material
Thickness
Gas Pressure
(Air)
Arc Voltage
Torch
Working
Height
Travel Speed
Initial
Piercing
Height
Pierce Delay
Kerf Width
@ Rec.
Speed
(mm)
Bar
(torch lead
length)
Volts (mm) (mm/min) (mm) (sec) (mm)
6
5.5 (7.6m)
5.5 (15.2m)
140
4.8
4800
5.1 0.3
2.8
8 140
4.8
3520
5.1
0.4 2.7
10 140
4.8
2410
5.1
0.6 3.0
12 142
4.8
1850
6.4
0.8 3.1
15 149
6.4
1190
6.4
1.0 3.1
20 151 6.4 620 Edge Start 3.3
25 155 6.4 420 Edge Start 3.3
30 162 6.4 260 Edge Start 3.3
BOLD TYPE indicates maximum piercing parameters. BOLD ITALIC indicates edge starts only.